宁南山区不同年限苜蓿地土壤有机质官能团特征
李婷1,2,3,赵世伟1,2**,李晓晓2,马帅2
Characters of soil organic matter functional groups in the fields planted with alfalfa (Medicago sativa) for different years in hilly regions of south Ningxia, Northwest China.
LI Ting1,2,3, ZHAO Shi-wei1,2, LI Xiao-xiao2, MA Shuai2
应用生态学报
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2012, (12): 3266
-3272
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